正确答案: BC
It encourages industry standardization by defining what functions occur at each layer of the model It divides the network communication process into smaller and simpler components; thus aiding component development, design and troubleshooting
题目:As the Ezonexam network administrator, you are required to have a firm understanding of the OSI model. Why does the data communication industry use the layered OSI reference model? (Choose two)
解析:解析:Explanation:
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[单选题]对于使用链路状态路由协议的路由器如何选择最佳路线到达子网,下列哪项是正确的()
通过针对链路状态数据库中的信息运行SPF算法,路由器会计算出最佳路由
[单选题]访问控制列表分为标准和扩展两种。下面关于ACL的描述中,错误的是()。
标准ACL可以根据分组中的IP目标地址进行过滤
[单选题]当在一个接口上使用ipaccess-group99in命令时,以下哪条关于所引用访问控制列表的描述是正确的()
这个列表是编号型标准ACL,检查进入接口的数据包
[单选题]命令“ping127.0.0.1”的功能是()
测试TCP/IP协议是否正常
[单选题]帧中继环境中,CIR的含义是()
保证线路速率
[多选题]In which Spanning-Tree states does a switch port learn MAC addresses? (Select two)
Forwarding
Learning
解析:解析:Explanation:
[单选题]Assuming you build networks to exact specifications, what is the recommended maximum length a 10BaseT cable can be before it has to be segmented or repeated?
100 meters
解析:解析:Explanation: